Represents the minimum requirement of fixed charge coverage ratio.

No definition available.

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Balance Type:	na
Period Type:	instant

- Definition

Percentage of qualified accounts receivable used in determination of maximum borrowing capacity of line of credit.

+ References

No definition available.

+ Details

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Namespace Prefix:	aey_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of qualified inventory used in determination of maximum borrowing capacity of line of credit.

+ References

No definition available.

+ Details

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Namespace Prefix:	aey_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash inflow for collection of notes receivable, gross.

+ References

No definition available.

+ Details

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Namespace Prefix:	aey_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow during the period from the prepayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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Namespace Prefix:	aey_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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-Subparagraph (a)
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

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Name:	us-gaap_DebtInstrumentPeriodicPayment
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a borrowing supported by a written promise to pay an obligation.

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Balance Type:	debit
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- Definition

The cash outflow for a borrowing supported by a written promise to pay an obligation.

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Balance Type:	credit
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Note 8 - Notes Payable and Line of Credit (Details Textual)		3 Months Ended		9 Months Ended
	Apr. 14, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 10, 2020 USD ($)
Repayments of Notes Payable				$ 1,621,597	$ 1,246,279
Proceeds from Notes Payable, Total				6,373,929
Leveling 8 [Member] \| Promissory Note [Member]
Proceeds from Collection of Notes Receivable, Gross		$ 1,700,000	$ 700,000
Loan Agreement [Member]
Debt Instrument, Face Amount						$ 3,500,000
Debt Instrument, Interest Rate, Stated Percentage						6.00%
Repayments of Notes Payable		1,600,000
Repayments of Debt, Prepayment Portion		1,000,000
Long-term Debt, Total		1,900,000		1,900,000
New Credit Agreement [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 4,000,000		$ 4,000,000
Debt Instrument, Interest Rate, Effective Percentage		3.25%		3.25%
Long-term Line of Credit, Total		$ 2,800,000		$ 2,800,000
Percentage of Qualified Accounts Receivable Used in Determination of Maximum Borrowing Capacity of Line of Credit		80.00%		80.00%
Percentage of Qualified Inventory Used in Determination of Maximum Borrowing Capacity of Line of Credit		25.00%		25.00%
Line of Credit Facility, Current Borrowing Capacity		$ 3,100,000		$ 3,100,000
Loan Agreement with Primary Financial Leader [Member]
Debt Instrument, Face Amount						$ 3,500,000
Fixed Charge Coverage Ratio, Minimum Requirement						1.25
Paycheck Protection Program CARES Act [Member]
Proceeds from Notes Payable, Total	$ 2,900,000
Debt Instrument, Periodic Payment, Total	$ 164,045